59602 ZIP Code, Helena, MT

59602 is a ZIP code in Helena, Montana in Lewis and Clark County. It covers 524 square miles of land. The closest ZIP codes are 59625, 59623 and 59636. 30,754 people live here in 11,688 households, more than in 9 of every 10 Montana ZIP codes. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (84%). Median household income is $92,985, above the Montana median of $72,509.

Quick facts

Key figures

MeasureValue
Residents30,754
Households11,688
Median household income$92,985
Income per person$43,317
Median age41
Homeowners84.1%
Median home value$408,600
Median rent$1,464
Bachelor's degree or higher38.9%
Average commute (minutes)20.6
Households with kids under 1830.6%
Moved in the past year10.1%
Below the poverty line7.4%
Broadband internet93.9%
Speak a non-English language at home2.9%

Household income

% of householdsValue
<$10K1.5%
$10–15K0.8%
$15–25K4.0%
$25–35K4.0%
$35–50K12.1%
$50–75K18.1%
$75–100K13.9%
$100–150K23.3%
$150–200K12.0%
$200K+10.4%

Age

% of all residentsValue
<1012.7%
10–1912.8%
20–244.0%
25–3411.3%
35–4414.4%
45–5411.3%
55–6414.6%
65–7411.6%
75+7.1%

Tenure

% of housing unitsValue
Owned, with mortgage51.7%
Owned outright27.3%
Rented14.9%
Vacant6.1%

Type of building

% of housing unitsValue
Detached house73.4%
Townhome3.6%
2–4 units3.7%
5–19 units1.8%
20+ units2.0%
Mobile / other15.4%

Businesses in 59602

643 business establishments with 5,313 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

59602 has 21 USPS carrier routes with 12,865 residential and 432 business mailboxes. Open the EDDM route map.

Carrier routes in 59602

59602 has 21 USPS carrier routes (4 city (C), 13 rural (R), 4 highway contract (H)) with 12,865 residential and 432 business mailboxes. Routes range from 235 homes (C033) to 913 homes (C017); the median route has 620 homes. The Census counted 11,688 households in 59602 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2491
250–4994
500–74911
750–9995
1,000–1,4990
1,500+0

Best routes in 59602 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

  1. Route C033 — USPS business mailboxes 90, 235 homes
  2. Route R009 — USPS business mailboxes 67, 558 homes
  3. Route C017 — USPS business mailboxes 51, 913 homes
  4. Route R011 — USPS business mailboxes 39, 606 homes
  5. Route C025 — USPS business mailboxes 32, 760 homes

Select these 5 routes on the route map

Every carrier route in 59602

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C016City78723$69,218———
C017City91351$77,467———
C025City76032$67,847———
C033City23590$90,430———
H031Highway contract3825$86,199———
H038Highway contract4857$91,037———
H050Highway contract2880$65,041———
H051Highway contract42112$56,122———
R001Rural7515$116,958———
R002Rural65321$92,794———
R003Rural5964$67,847———
R004Rural69513$86,904———
R005Rural8317$130,044———
R006Rural58617$102,307———
R007Rural62114$77,158———
R008Rural6204$101,291———
R009Rural55867$66,302———
R010Rural73410$67,847———
R011Rural60639$72,867———
R012Rural6098$101,291———
R013Rural7343$77,467———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 59602 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

Areas that include 59602

Mail every home in 59602

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 59602, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 59602 in?
59602 is a Helena, MT mailing address. By land area, 10% lies inside Helena Valley Northeast, 5% lies inside Helena Valley West Central, 3% lies inside Helena Valley Northwest and 3% lies inside Helena Valley Southeast; the rest is outside any Census-defined city or community.
What county is 59602 in?
59602 is in Lewis and Clark County.
What is the population of 59602?
About 30,754 people (±1,209), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 29,390.
What is the median household income in 59602?
$92,985 (±$4,724), compared with $72,509 for Montana as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 59602?
21 USPS carrier routes with 12,865 residential and 432 business mailboxes (13,297 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 59602?
The closest, measured center to center: 59625 (10.7 mi, Helena), 59623 (11.4 mi, Helena), 59636 (12.4 mi, Helena West Side), 59635 (12.7 mi, Spokane Creek), 59601 (19.4 mi, Helena) and 59634 (20.3 mi, Clancy).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.